public void Scan(IScannable basket)
{
for (var item = basket.TakeItem(); item != null; item = basket.TakeItem())
{
ScanItem(item);
}
}
public void The_total_is_the_total_price_of_multiple_scanned_items()
{
var unit = new Checkout(_itemCatalogue, _discounts);
_basket.TakeItem().Returns(_item1, _item2, null);
_itemCatalogue.LookupPrice(_item1).Returns(_item1Price);
_itemCatalogue.LookupPrice(_item2).Returns(_item2Price);
_discounts.GetApplicable(Arg.Any <Collection <IPurchaseable> >()).Returns(new Discount(0));
unit.Scan(_basket);
var expected = _item1Price.AsCurrency() + _item2Price.AsCurrency();
Assert.That(unit.GetTotal().AsCurrency(), Is.EqualTo(expected));
}